13698393 has 4 divisors (see below), whose sum is σ = 18264528. Its totient is φ = 9132260.

The previous prime is 13698389. The next prime is 13698397. The reversal of 13698393 is 39389631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39389631 = 3 ⋅13129877.

It is an interprime number because it is at equal distance from previous prime (13698389) and next prime (13698397).

It is a cyclic number.

It is not a de Polignac number, because 13698393 - 2² = 13698389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13698397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283063 + ... + 2283068.

It is an arithmetic number, because the mean of its divisors is an integer number (4566132).

Almost surely, 2^13698393 is an apocalyptic number.

It is an amenable number.

13698393 is a deficient number, since it is larger than the sum of its proper divisors (4566135).

13698393 is an equidigital number, since it uses as much as digits as its factorization.

13698393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566134.

The product of its digits is 104976, while the sum is 42.

The square root of 13698393 is about 3701.1340154066. The cubic root of 13698393 is about 239.2708949059.

The spelling of 13698393 in words is "thirteen million, six hundred ninety-eight thousand, three hundred ninety-three".